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In process and sleep allowed context, favor GFP_KERNEL allocations over
GFP_ATOMIC ones.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a dcbnl notification to the bnx2x. The notification is
sent to user mode clients following a change in the dcb negotiated
parameters as resolved by the embedded DCBX stack.
Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only 128 bytes is copied, the rest of data is DMA mapped directly from
userspace.
Signed-off-by: Shirley Ma <xma@...ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch:
# improves readability of some gianfar nfc code
Signed-off-by: Sebastian Poehn <sebastian.poehn@belden.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update version number, and take "New" off the config information
since old sk98lin has been gone for a couple years.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The GENESIS boards are really old PCI-X boards that are rare.
Marvell has dropped support for this hardware and there is no reason
for most users to have to have this code.
Rather than riddling code with ifdef's make one macro and let
the compiler do the dead code elimination. This saves about 15%
of the text size.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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See also: https://bugzilla.kernel.org/show_bug.cgi?id=38862
Reported-by: jameshenderson@ruggedcom.com
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PCI table was using mix of defines for device id and hard coded
hex values. This patch change it to all hex values. It also adds
comments based on the names provided in the vendor driver table.
There is NO CHANGE to the actual resulting table.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net-next-2.6/drivers/net/bnx2x/bnx2x_sp.c: 19 linux/version.h not needed.
net-next-2.6/drivers/net/caif/caif_hsi.c: 9 linux/version.h not needed.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Followup to commit f82528bc13a (Exclude duplicated checking for
iface-up) : We no longer need percpu tx_dropped field.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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Convert a printk with a static to pr_<level>_once
Add and use DRV_DESCRIPTION to reduce string duplication.
Remove now unused version.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the rx ring is completely empty, then the device may never fire an rx
interrupt. Unfortunately, the rx interrupt is what triggers populating the
rx ring with fresh buffers, so this will cause networking to lock up.
This patch replenishes the skb in recv descriptor as soon as it is
peeled off while processing rx completions. If the skb/buffer
allocation fails, existing one is recycled and the packet in hand is
dropped. This way none of the RX desc is ever left empty, thus avoiding
starvation
Signed-off-by: Scott J. Goldman <scottjg@vmware.com>
Signed-off-by: Shreyas N Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
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Clear warning message "MDC/MDIO access timeout" during first driver load by setting MDIO clock.
This warning has no significant meaning, since it occurs prior to the first PHY initialization.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add autogrEEEn support on BCM84833 and 54618se, which allows to reduce power consumption.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When driver is unloaded, disable PMD in addition to TX laser, provided that the management firmware will be able to enable it back.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add hardware PHY reset action for BCM578xx when fan failure occur.
The new bnx2x_warpcore_hw_reset warps bnx2x_warpcore_power_module to fit the .hw_reset function template of the phy structure.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add CL37 BAM support according to configuration.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change 1G copper PHY BCM54616S to BCM54618SE since we only have HW with latter one of the two.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the source MAC address for PFC packets and update its status during PMF migration.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MAC address was set using the signed char sockaddr->sa_addr
field and thus the address could be corrupted through sign extension.
Signed-off-by: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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b44_tx() is run from softirq handler, it can use dev_kfree_skb() instead
of dev_kfree_skb_irq()
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This silences dma-debug warnings:
https://lkml.org/lkml/2011/6/30/341
------------[ cut here ]------------
WARNING: at /home/jimc/projects/lx/linux-2.6/lib/dma-debug.c:820
check_unmap+0x1fe/0x56a()
natsemi 0000:00:06.0: DMA-API: device driver frees DMA memory with
different size [device address=0x0000000006ef0040] [map size=1538
bytes] [unmap size=1522 bytes]
Modules linked in: pc8736x_gpio pc87360 hwmon_vid scx200_gpio nsc_gpio
scx200_hrt scx200_acb i2c_core arc4 rtl8180 mac80211 eeprom_93cx6
cfg80211 pcspkr rfkill scx200 ide_gd_mod ide_pci_generic ohci_hcd
usbcore sc1200 ide_core
Pid: 870, comm: collector Not tainted 3.0.0-rc5-sk-00080-gca56a95 #1
Call Trace:
[<c011a556>] warn_slowpath_common+0x4a/0x5f
[<c02565cb>] ? check_unmap+0x1fe/0x56a
[<c011a5cf>] warn_slowpath_fmt+0x26/0x2a
[<c02565cb>] check_unmap+0x1fe/0x56a
[<c0256aaa>] debug_dma_unmap_page+0x53/0x5b
[<c029d6cd>] pci_unmap_single+0x4d/0x57
[<c029ea0a>] natsemi_poll+0x343/0x5ca
[<c0116f41>] ? try_to_wake_up+0xea/0xfc
[<c0122416>] ? spin_unlock_irq.clone.28+0x18/0x23
[<c02d4667>] net_rx_action+0x3f/0xe5
[<c011e35e>] __do_softirq+0x5b/0xd1
[<c011e303>] ? local_bh_enable+0xa/0xa
<IRQ> [<c011e54b>] ? irq_exit+0x34/0x75
[<c01034b9>] ? do_IRQ+0x66/0x79
[<c034e869>] ? common_interrupt+0x29/0x30
[<c0115ed0>] ? finish_task_switch.clone.118+0x31/0x72
[<c034cb92>] ? schedule+0x3b2/0x3f1
[<c012f4b0>] ? hrtimer_start_range_ns+0x10/0x12
[<c012f4ce>] ? hrtimer_start_expires+0x1c/0x24
[<c034d5aa>] ? schedule_hrtimeout_range_clock+0x8e/0xb4
[<c012ed27>] ? update_rmtp+0x68/0x68
[<c034d5da>] ? schedule_hrtimeout_range+0xa/0xc
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c017b051>] ? do_select+0x488/0x4cd
[<c0115ee2>] ? finish_task_switch.clone.118+0x43/0x72
[<c01157ad>] ? need_resched+0x14/0x1e
[<c017a99e>] ? poll_freewait+0x74/0x74
[<c01157ad>] ? need_resched+0x14/0x1e
[<c034cbc1>] ? schedule+0x3e1/0x3f1
[<c011e55e>] ? irq_exit+0x47/0x75
[<c01157ad>] ? need_resched+0x14/0x1e
[<c034cf8a>] ? preempt_schedule_irq+0x44/0x4a
[<c034dd1e>] ? need_resched+0x17/0x19
[<c024bc12>] ? put_dec_full+0x7b/0xaa
[<c0240060>] ? blkdev_ioctl+0x434/0x618
[<c024bc70>] ? put_dec+0x2f/0x6d
[<c024c6a5>] ? number.clone.1+0x10b/0x1d0
[<c034cf8a>] ? preempt_schedule_irq+0x44/0x4a
[<c034dd1e>] ? need_resched+0x17/0x19
[<c024d046>] ? vsnprintf+0x225/0x264
[<c024cea0>] ? vsnprintf+0x7f/0x264
[<c018346f>] ? seq_printf+0x22/0x40
[<c01a2fcc>] ? do_task_stat+0x582/0x5a3
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c017b1b5>] ? core_sys_select+0x11f/0x1a3
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c01a34a1>] ? proc_tgid_stat+0xd/0xf
[<c012357c>] ? recalc_sigpending+0x32/0x35
[<c0123b9c>] ? __set_task_blocked+0x64/0x6a
[<c011dfb0>] ? timespec_add_safe+0x24/0x48
[<c0123449>] ? spin_unlock_irq.clone.16+0x18/0x23
[<c017b3a1>] ? sys_pselect6+0xe5/0x13e
[<c034dd65>] ? syscall_call+0x7/0xb
[<c0340000>] ? rpc_clntdir_depopulate+0x26/0x30
---[ end trace 180dcac41a50938b ]---
Reported-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is a function of SuperH architecture. There is no good to use
the function on a driver generally. So, the driver uses
dma_map_single() instead of __flush_purge_region.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offload setting of vlan device requires
vlan_features to be initialized.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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is called
request_threaded irq will call kzalloc that can sleep. Initializing the flags variable outside of spin_lock_irqsave/restore in bnad_mbox_irq_alloc will avoid call traces like below.
Jun 27 08:15:24 home-t710 kernel: [11735.634550] Brocade 10G Ethernet driver
Jun 27 08:15:24 home-t710 kernel: [11735.634590] bnad_pci_probe : (0xffff880427f3d000, 0xffffffffa020f3e0) PCI Func : (2)
Jun 27 08:15:24 home-t710 kernel: [11735.637677] bna 0000:82:00.2: PCI INT A -> GSI 66 (level, low) -> IRQ 66
Jun 27 08:15:24 home-t710 kernel: [11735.638290] bar0 mapped to ffffc90014980000, len 262144
Jun 27 08:15:24 home-t710 kernel: [11735.638732] BUG: sleeping function called from invalid context at mm/slub.c:847
Jun 27 08:15:24 home-t710 kernel: [11735.638736] in_atomic(): 0, irqs_disabled(): 1, pid: 11243, name: insmod
Jun 27 08:15:24 home-t710 kernel: [11735.638740] Pid: 11243, comm: insmod Not tainted 3.0.0-rc4+ #6
Jun 27 08:15:24 home-t710 kernel: [11735.638743] Call Trace:
Jun 27 08:15:24 home-t710 kernel: [11735.638755] [<ffffffff81046427>] __might_sleep+0xeb/0xf0
Jun 27 08:15:24 home-t710 kernel: [11735.638766] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna]
Jun 27 08:15:24 home-t710 kernel: [11735.638773] [<ffffffff8111201c>] kmem_cache_alloc_trace+0x43/0xd8
Jun 27 08:15:24 home-t710 kernel: [11735.638782] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna]
Jun 27 08:15:24 home-t710 kernel: [11735.638787] [<ffffffff810ab791>] request_threaded_irq+0xa1/0x113
Jun 27 08:15:24 home-t710 kernel: [11735.638798] [<ffffffffa020f0c0>] bnad_pci_probe+0x612/0x8e5 [bna]
Jun 27 08:15:24 home-t710 kernel: [11735.638807] [<ffffffffa01fe469>] ? netif_wake_queue+0x3d/0x3d [bna]
Jun 27 08:15:24 home-t710 kernel: [11735.638816] [<ffffffff81482ef4>] ? _raw_spin_unlock_irqrestore+0x17/0x19
Jun 27 08:15:24 home-t710 kernel: [11735.638822] [<ffffffff8124d17a>] local_pci_probe+0x44/0x75
Jun 27 08:15:24 home-t710 kernel: [11735.638826] [<ffffffff8124dc06>] pci_device_probe+0xd0/0xff
Jun 27 08:15:24 home-t710 kernel: [11735.638832] [<ffffffff812ef8ab>] driver_probe_device+0x131/0x213
Jun 27 08:15:24 home-t710 kernel: [11735.638836] [<ffffffff812ef9e7>] __driver_attach+0x5a/0x7e
Jun 27 08:15:24 home-t710 kernel: [11735.638840] [<ffffffff812ef98d>] ? driver_probe_device+0x213/0x213
Jun 27 08:15:24 home-t710 kernel: [11735.638844] [<ffffffff812ee933>] bus_for_each_dev+0x53/0x89
Jun 27 08:15:24 home-t710 kernel: [11735.638848] [<ffffffff812ef48a>] driver_attach+0x1e/0x20
Jun 27 08:15:24 home-t710 kernel: [11735.638852] [<ffffffff812ef0ae>] bus_add_driver+0xd1/0x224
Jun 27 08:15:24 home-t710 kernel: [11735.638858] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff
Jun 27 08:15:24 home-t710 kernel: [11735.638862] [<ffffffff812efe57>] driver_register+0x98/0x105
Jun 27 08:15:24 home-t710 kernel: [11735.638866] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff
Jun 27 08:15:24 home-t710 kernel: [11735.638871] [<ffffffff8124e4c9>] __pci_register_driver+0x56/0xc1
Jun 27 08:15:24 home-t710 kernel: [11735.638875] [<ffffffffa01b8000>] ? 0xffffffffa01b7fff
Jun 27 08:15:24 home-t710 kernel: [11735.638884] [<ffffffffa01b8040>] bnad_module_init+0x40/0x60 [bna]
Jun 27 08:15:24 home-t710 kernel: [11735.638892] [<ffffffff81002099>] do_one_initcall+0x7f/0x136
Jun 27 08:15:24 home-t710 kernel: [11735.638899] [<ffffffff8108608b>] sys_init_module+0x88/0x1d0
Jun 27 08:15:24 home-t710 kernel: [11735.638906] [<ffffffff81489682>] system_call_fastpath+0x16/0x1b
Jun 27 08:15:24 home-t710 kernel: [11735.639642] bnad_pci_probe : (0xffff880427f3e000, 0xffffffffa020f3e0) PCI Func : (3)
Jun 27 08:15:24 home-t710 kernel: [11735.639665] bna 0000:82:00.3: PCI INT A -> GSI 66 (level, low) -> IRQ 66
Jun 27 08:15:24 home-t710 kernel: [11735.639735] bar0 mapped to ffffc90014400000, len 262144
Signed-off-by: Shyam Iyer <shyam_iyer@dell.com>
Acked-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Precedence of the printk should be at higher level so chip fatal
errors are always reported.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we are in a recover process from a chip fatal error,
driver should skip over execution of mailbox commands during
resetting chip.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Lockdep found a locking inconsistency in the mkiss_close function:
> kernel: [ INFO: inconsistent lock state ]
> kernel: 2.6.39.1 #3
> kernel: ---------------------------------
> kernel: inconsistent {IN-SOFTIRQ-R} -> {SOFTIRQ-ON-W} usage.
> kernel: ax25ipd/2813 [HC0[0]:SC0[0]:HE1:SE1] takes:
> kernel: (disc_data_lock){+++?.-}, at: [<ffffffffa018552b>] mkiss_close+0x1b/0x90 [mkiss]
> kernel: {IN-SOFTIRQ-R} state was registered at:
The message hints that disc_data_lock is aquired with softirqs disabled,
but does not itself disable softirqs, which can in rare circumstances
lead to a deadlock.
The same problem is present in the 6pack driver, this patch fixes both
by using write_lock_bh instead of write_lock.
Reported-by: Bernard F6BVP <f6bvp@free.fr>
Tested-by: Bernard F6BVP <f6bvp@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ralf Baechle<ralf@linux-mips.org>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git2.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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There is no need to check for the address being a multicast address in
the netdev_for_each_mc_addr loop, so remove it.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It may be set in the card while the driver is probed by kdump kernel after a
crash.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some skews, the BE card sends pause frames (and not drop pkts) if there are
no more posted buffers available for packet reception. This behaviour has a
side effect: When an interface is disabled, buffers are no longer posted on the
corresponding RX rings. All broadcast and multicast traffic being received on
the port will quickly fill up the PMEM and cause pause push back. As the PMEM
is shared by both the ports, all traffic being received on the other (enabled)
port also gets stalled.
The fix is to destroy RX rings when the interface is disabled. If there is no
RX ring match in the RXF lookup, the packets are discarded and so don't hog the
PMEM.
The RXQ creation cmd must now use MCC instead of MBOX as they are are called
post MCC queue creation.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some (older)versions of cards/fw may not recognize certain cmds and
return illegal/unsupported errors. As long as the driver can handle
this gracefully there is no need to log an error msg.
Also finetuned 2 existing error log messages.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Add external loopback test in self test:
- Send set external loopback mode request to fw.
To quiscent other storage functions.
- Perform test
- Send unset loopback mode request to fw.
o Rename ilb to lb.
o Update driver version 5.0.20.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to check for the address being a multicast address in
the netdev_for_each_mc_addr loop, so remove it.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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